I've updated to Ubuntu 26.04 LTS. Do you still want me you to list the files.
Stephen Sent from my Verizon, Samsung Galaxy smartphone Get Outlook for Android<https://aka.ms/AAb9ysg> ________________________________ From: [email protected] <[email protected]> on behalf of Chris Chiu <[email protected]> Sent: Sunday, 18 October 2026 22:01:30 To: Torri, Stephen <[email protected]> Subject: [Bug 2150701] Re: linux-firmware: Missing AMD SOF firmware for Dell Pro Max 16 MC16255 causes RT1320 smart amplifiers to be uninitialized — internal speakers very quiet at max volume The AMD platform doesn't really relied on SOF firmware so we don't need to check /lib/firmware/amd/sof. Could you list the files in /lib/firmware/realtek/rt1320/ ? I'll expect File: realtek/rt1320/rt1320-patch-code-vab.bin Version: 0.0.1 File: realtek/rt1320/rt1320-patch-code-vc.bin Version: 1.0.0 File: realtek/rt1320/rt1321-patch-code-va.bin Version: 1.3.0 -- You received this bug notification because you are subscribed to the bug report. https://bugs.launchpad.net/bugs/2150701 Title: linux-firmware: Missing AMD SOF firmware for Dell Pro Max 16 MC16255 causes RT1320 smart amplifiers to be uninitialized — internal speakers very quiet at max volume Status in linux-firmware package in Ubuntu: New Status in linux-firmware source package in Noble: New Bug description: On the Dell Pro Max 16 MC16255 (AMD Ryzen AI 9 HX PRO 370, Strix Halo platform), the internal speakers produce very low volume at maximum system volume. The RT1320 SoundWire smart amplifiers are detected by ACPI but never properly initialized by the Linux audio stack. Root cause: /lib/firmware/amd/sof/ is empty. No AMD SOF firmware or topology files are present for the AMD ACP 6.3 (Pink Sardine) platform on this hardware. Without these files the snd_pci_ps driver enables the device but silently fails to initialize the RT1320 amplifiers, which remain in low-power fallback mode. Hardware: Machine: Dell Pro Max 16 MC16255 CPU: AMD Ryzen AI 9 HX PRO 370 (Strix Halo) Audio co-processor: AMD ACP 6.3, PCI ID 1022:15e2 Codecs: Realtek RT1320 (smart speaker amps), RT722 (headset/jack), over AMD SoundWire Software: Ubuntu 24.04.4 LTS Kernel: 6.17.0-1017-oem linux-firmware: 20240318.git3b128b60-0ubuntu2.27 Evidence: find /lib/firmware/amd/sof/ — returns nothing (directory exists but is empty) dmesg shows acpi device:2c: SDCA function SmartAmp (type 1) at 0x4 — amp detected but no subsequent initialization dmesg shows only one SoundWire line: headset jack input registered; no RT1320 initialization messages ALSA exposes RT1320 mixer controls but changing them produces no audible effect — confirming the amp is not in the signal path Additional context: Dell acknowledges audio issues on this exact model (Dell KB article 000426659, February 2026) Identical hardware (same CPU, same audio chipset) shows complete audio failure on Fedora 42/43 with kernel 6.16 (Fedora Discussion thread, June 2025) Linux Mint users report same issue on MC16255 (Linux Mint Forums, November 2025) This laptop is sold by Dell with Ubuntu pre-installed, making proper linux-firmware support a priority Expected behavior: AMD SOF firmware and topology files for the ACP 6.3 / Pink Sardine platform should be present in /lib/firmware/amd/sof/ so the RT1320 amplifiers can be fully initialized at boot. --- ProblemType: Bug ApportVersion: 2.28.1-0ubuntu3.8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: storri 3761 F.... pipewire storri 3764 F.... wireplumber /dev/snd/controlC0: storri 3764 F.... wireplumber /dev/snd/seq: storri 3761 F.... pipewire CRDA: N/A CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Dependencies: firmware-sof-signed 2023.12.1-1ubuntu1.10 DistroRelease: Ubuntu 24.04 InstallationDate: Installed on 2026-01-18 (102 days ago) InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64 (20250805.1) MachineType: Dell Inc. Dell Pro Max 16 MC16255 Package: linux-firmware 20240318.git3b128b60-0ubuntu2.27 PackageArchitecture: amd64 ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.17.0-1017-oem root=/dev/mapper/ubuntu--vg-ubuntu--lv ro root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash vt.handoff=7 quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 6.17.0-1017.17-oem 6.17.13 RelatedPackageVersions: linux-restricted-modules-6.17.0-1017-oem N/A linux-backports-modules-6.17.0-1017-oem N/A linux-firmware 20240318.git3b128b60-0ubuntu2.27 Tags: noble Uname: Linux 6.17.0-1017-oem x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: N/A _MarkForUpload: True dmi.bios.date: 12/25/2025 dmi.bios.release: 1.8 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.8.0 dmi.board.name: 02JP9F dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.ec.firmware.release: 1.6 dmi.modalias: dmi:bvnDellInc.:bvr1.8.0:bd12/25/2025:br1.8:efr1.6:svnDellInc.:pnDellProMax16MC16255:pvr:rvnDellInc.:rn02JP9F:rvrA00:cvnDellInc.:ct10:cvr:sku0D82: dmi.product.family: Dell Pro Max Laptops dmi.product.name: Dell Pro Max 16 MC16255 dmi.product.sku: 0D82 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2150701/+subscriptions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2150701 Title: linux-firmware: Missing AMD SOF firmware for Dell Pro Max 16 MC16255 causes RT1320 smart amplifiers to be uninitialized — internal speakers very quiet at max volume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2150701/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
